Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 19,622	$ 20,132
Accounts receivable, net of allowances of $211 at March 31, 2012 and $211 at December 31, 2011	8,690	8,541
Inventory	8,297	8,003
Prepaid expenses and other current assets	3,009	3,011
Total current assets	39,618	39,687
Property and equipment, net	4,631	4,661
Goodwill	11,917	11,917
Other intangibles, net	2,800	2,985
Deferred tax assets	7	6
Other assets	416	431
Total assets	59,389	59,687
Liabilities and stockholders' equity
Accounts payable	825	981
Accrued expenses	5,442	5,539
Acquisition-related obligations	19	19
Total current liabilities	6,286	6,539
Deferred tax liabilities	989	989
Other long-term liabilities	68	71
Total liabilities	7,343	7,599
Stockholders' equity:
Preferred stock, $0.01 par value; authorized 5,000,000 shares; none outstanding
Common stock, $0.01 par value; authorized 100,000,000 shares; issued 16,305,010 shares at March 31, 2012, and 16,303,155 shares at December 31, 2011	163	163
Additional paid-in capital	64,500	64,619
Accumulated deficit	(6,054)	(6,440)
Accumulated other comprehensive loss	(313)	(606)
Treasury stock, at cost; 1,081,839 shares at March 31, 2012, and 975,700 shares at December 31, 2011	(6,250)	(5,648)
Total stockholders' equity	52,046	52,088
Total liabilities and stockholders' equity	$ 59,389	$ 59,687